<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Automator Professional Edition 6.402.2137.40810 (2005-11-07 22:40).  
Contact www.ubmatrix.com
Software Copyright (c) 2002-2005 Universal Business Matrix inc., All Rights Reserved
Produced on 2005-11-07 23:57:05
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:t="http://www.xbrl.org/dim/conf" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" targetNamespace="http://www.xbrl.org/dim/conf" elementFormDefault="qualified" attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:roleType roleURI="http://www.xbrl.org/dim/conf/role/role-3096" id="role-3096">
        <link:usedOn>link:label</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.xbrl.org/dim/conf/role/role-products" id="role-products">
        <link:definition>Products</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple" xlink:href="hypercubeDimensionTargetRoleInvalidURI-definition.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links, all" />
      <link:linkbaseRef xlink:type="simple" xlink:href="hypercubeDimensionTargetRoleInvalidURI-label.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links, all" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <element id="t_AllCube" name="AllCube" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="instant" abstract="true" nillable="true" />
  <element id="t_MyOtherProduct" name="MyOtherProduct" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="t_MyProduct" name="MyProduct" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" />
  <element id="t_ProdDim" name="ProdDim" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="instant" abstract="true" nillable="true" />
</schema>